path: root/ipc/msg.c
diff options
authorJules Irenge <>2020-06-07 21:40:07 -0700
committerLinus Torvalds <>2020-06-08 11:05:55 -0700
commit4b78e2013a374f379457ceba7dc860d9fc28156b (patch)
tree72946c2eeb1a35af6e5a1b4c0b8b10766b046a7e /ipc/msg.c
parent92fb1db26eefc11554820f11ce8e92007da2fbf4 (diff)
ipc/msg: add missing annotation for freeque()
Sparse reports a warning at freeque() warning: context imbalance in freeque() - unexpected unlock The root cause is the missing annotation at freeque() Add the missing __releases(RCU) annotation Add the missing __releases(&msq->q_perm) annotation Signed-off-by: Jules Irenge <> Signed-off-by: Andrew Morton <> Reviewed-by: Andrew Morton <> Cc: Boqun Feng <> Cc: Lu Shuaibing <> Cc: Nathan Chancellor <> Cc: Manfred Spraul <> Cc: Davidlohr Bueso <> Link: Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'ipc/msg.c')
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index caca67368cb5..acd1bc7af55a 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -268,6 +268,8 @@ static void expunge_all(struct msg_queue *msq, int res,
* before freeque() is called. msg_ids.rwsem remains locked on exit.
static void freeque(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
+ __releases(RCU)
+ __releases(&msq->q_perm)
struct msg_msg *msg, *t;
struct msg_queue *msq = container_of(ipcp, struct msg_queue, q_perm);